Refrigeration – Low pressure cold trap process and apparatus
Patent
1996-05-24
1997-04-08
Capossela, Ronald C.
Refrigeration
Low pressure cold trap process and apparatus
55269, B01D 800
Patent
active
056177275
ABSTRACT:
A gas trap having several independently controlled storage vessels (140,150). Access to each vessel is achieved via pneumatic valves (80,90), and these pneumatic valves are, in turn, controlled by solenoid valves (300, 380). The solenoid valves receive their electrical power from a relay system (520) which is controlled by a computer (550).
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Capossela Ronald C.
Richard R. Zito R & D Corp.
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